<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>属性、颜色、其他</title>
</head>
<body bgcolor="white">
    <a id="u01" href="#" title="这是一个链接" class="t">链接</a>
    <img id="u02" src="baidu_logo.png" alt="百度Logo" title="这是一个图片">
    <input type="button" value="按钮类型的Input">
    <input type="button" value="按钮类型的Input" disabled>
    <input type="radio" name="选择" id="">
    <input type="radio" name="选择" id="" checked>
    <hr>
    <hr width="200">
    <hr width="200" align="left">
    <a href="../index.html">返回首页（上一级路径）</a>
    <a href="/index.html">返回首页（完全路径）</a>
    <img src="1.jpg" alt="">
    <img src="2.svg" alt="">
    &nbsp;  -->空格
    &nbsp;<font color="red">空</font>空&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;格
    &amp; &copy; &reg;
    &lt; &gt;
    &percnt;
    <center>局中标签，不建议使用</center>
</body>
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